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This commit is contained in:
Dion Moult
2026-07-26 18:03:09 +10:00
parent 7aa967b01a
commit 291d7d8441
72 changed files with 477 additions and 377 deletions
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src/ifcviewer-web/make_sample.py
+29 -20
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@@ -39,9 +39,9 @@ BAKE = HERE / "../../build-viewer/ifcviewer/sidecar_bake"
# (class, name, footprint w x d in m, height in m, placement x/y/z in m)
ELEMENTS = [
("IfcSlab", "Slab", (6.0, 6.0), 0.2, (-3.0, -3.0, 0.0)),
("IfcWall", "Wall", (5.0, 0.3), 3.0, (-2.5, -2.5, 0.2)),
("IfcBeam", "Beam", (0.3, 5.0), 0.3, (2.0, -2.5, 3.2)),
("IfcSlab", "Slab", (6.0, 6.0), 0.2, (-3.0, -3.0, 0.0)),
("IfcWall", "Wall", (5.0, 0.3), 3.0, (-2.5, -2.5, 0.2)),
("IfcBeam", "Beam", (0.3, 5.0), 0.3, (2.0, -2.5, 3.2)),
]
@@ -51,8 +51,8 @@ def build_ifc(path: Path) -> None:
ifcopenshell.api.unit.assign_unit(f, length={"is_metric": True, "raw": "METERS"})
body = ifcopenshell.api.context.add_context(f, context_type="Model")
body = ifcopenshell.api.context.add_context(
f, context_type="Model", context_identifier="Body",
target_view="MODEL_VIEW", parent=body)
f, context_type="Model", context_identifier="Body", target_view="MODEL_VIEW", parent=body
)
site = ifcopenshell.api.root.create_entity(f, ifc_class="IfcSite", name="Site")
storey = ifcopenshell.api.root.create_entity(f, ifc_class="IfcBuildingStorey", name="Ground floor")
@@ -61,30 +61,39 @@ def build_ifc(path: Path) -> None:
for ifc_class, name, (w, d), height, (x, y, z) in ELEMENTS:
element = ifcopenshell.api.root.create_entity(f, ifc_class=ifc_class, name=name)
ifcopenshell.api.spatial.assign_container(
f, products=[element], relating_structure=storey)
ifcopenshell.api.spatial.assign_container(f, products=[element], relating_structure=storey)
# A rectangular profile extruded up — enough to be a recognisable,
# distinctly-placed solid without dragging in a whole modelling stack.
profile = f.create_entity(
"IfcRectangleProfileDef", ProfileType="AREA", XDim=w, YDim=d,
"IfcRectangleProfileDef",
ProfileType="AREA",
XDim=w,
YDim=d,
Position=f.create_entity(
"IfcAxis2Placement2D",
Location=f.create_entity("IfcCartesianPoint", Coordinates=(w / 2, d / 2))))
"IfcAxis2Placement2D", Location=f.create_entity("IfcCartesianPoint", Coordinates=(w / 2, d / 2))
),
)
solid = f.create_entity(
"IfcExtrudedAreaSolid", SweptArea=profile, Depth=height,
"IfcExtrudedAreaSolid",
SweptArea=profile,
Depth=height,
Position=f.create_entity(
"IfcAxis2Placement3D",
Location=f.create_entity("IfcCartesianPoint", Coordinates=(0.0, 0.0, 0.0))),
ExtrudedDirection=f.create_entity("IfcDirection", DirectionRatios=(0.0, 0.0, 1.0)))
"IfcAxis2Placement3D", Location=f.create_entity("IfcCartesianPoint", Coordinates=(0.0, 0.0, 0.0))
),
ExtrudedDirection=f.create_entity("IfcDirection", DirectionRatios=(0.0, 0.0, 1.0)),
)
representation = f.create_entity(
"IfcShapeRepresentation", ContextOfItems=body, RepresentationIdentifier="Body",
RepresentationType="SweptSolid", Items=[solid])
ifcopenshell.api.geometry.assign_representation(
f, product=element, representation=representation)
"IfcShapeRepresentation",
ContextOfItems=body,
RepresentationIdentifier="Body",
RepresentationType="SweptSolid",
Items=[solid],
)
ifcopenshell.api.geometry.assign_representation(f, product=element, representation=representation)
ifcopenshell.api.geometry.edit_object_placement(
f, product=element,
matrix=ifcopenshell.util.placement.a2p((x, y, z), (0.0, 0.0, 1.0), (1.0, 0.0, 0.0)))
f, product=element, matrix=ifcopenshell.util.placement.a2p((x, y, z), (0.0, 0.0, 1.0), (1.0, 0.0, 0.0))
)
f.write(str(path))